PSP FOR THE IDLER SHAFT ON CERTAIN D5H TSK TRACK SKIDDERS - PS4583 - MAILED US AND CANADA, LIMITED COFA
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PSP FOR THE IDLER SHAFT ON CERTAIN D5H TSK TRACK SKIDDERS - PS4583 - MAILED US AND CANADA, LIMITED COFA
NOTE: The information supplied in this service letter may not be valid after the termination date of this program. Do not perform the work outlined in this Service Letter after the termination date without first contacting your Caterpillar product analyst.
April 5, 1991 U-64 AU-40.2 PRODUCT SUPPORT PROGRAM FOR THE IDLER SHAFT ON CERTAIN D5H TSK TRACK SKIDDERS 4159 PS4583 NOTE: This Program can be administered either before or after a failure. In either case the decision whether to apply the Program is made by the dealer. When reporting the repair, use "PS4583" as Part Number, "7755" as Group Number, and "96" as Description Code.
Termination Date
April 30, 1992
Problem
The track idler shaft on certain D5H TSK Track Skidders may fail when used in severe or heavy load applications.
Affected Product
Model Identification Number D5H TSK 7EG1-22, 25-42, 44-67, 71
Parts Needed
4 - 8E4007 Idler Group 8 - 8E4015 Cap Assembly 8 - 8E4023 Block
Action Required
Follow the procedures in the service manual. Remove the existing track idler group and install the new parts. Tighten the idler bearing cap bolts to a torque of 470 + or - 60 N.m (350 + or - 45 lb ft). Cut out the inside flange of the front 8Y1191 and 8Y1196 Guard Assemblies to provide clearance for the new idler retainer. See the attached illustrations. ****** IMAGE: SEBE4556.00001.001 CAPTION: Illustration 1 ****** IMAGE: SEBE4556.00001.002 CAPTION: Illustration 2
Service Claim Allowances
***** Dealer Inventory ***** Product Caterpillar Dealer Suggested Customer Suggested smu/age Parts Labor Hrs. Parts Labor Hrs. Parts Labor Hrs 0-2000 100% 8 0 0 0 0 NOTE: This is a 8-hour job. ***** Customer Owned ***** Product Caterpillar Dealer Suggested Customer Suggested smu/age Parts Labor Hrs. Parts Labor Hrs. Parts Labor Hrs 0-2000 100% 12 0 0 0 0 NOTE: This is a 12-hour job.
Parts Disposition
All idler groups removed from any of the Affected Product should be identified and protected pending disposition instructions at a later date.
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